Odds are pretty close for both Armstrong and Ullrich:
http://www.online-betting-guide.co.uk/Tour-de-France.htm
L. Armstrong 1.98
£160 1.99
£17 2
£59 2.06
£9 2.12
£6 2.18
£166 i J. Ullrich 3.3
£17 3.35
£13 3.4
£12 3.45
£63 3.5
£5 3.55
£55 i A. Vinokourov 15.5
£75 17.5
£45 18
£2 23
£80 44
£2 48
£3 i T. Hamilton 13
£9 13.5
£12 14
£2 15.5
£5 16
£4 16.5
£13 i H. Zubeldia 38
£6 50
£2 60
£7 90
£2 95
£2 1000
£2 i I. Mayo 21
£50 26
£2 36
£12 46
£2 48
£5 95